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QUESTION
Line EF has an equation of a line y = 2x + 7. Which of the following could be an equation for a line that is perpendicular to line EF?
Line EF has an equation of a line y = −2x + 7. Which of the following could be an equation for a line that is perpendicular to line EF? (6 points)
y = x − 3
y = − x − 3
y = −2x − 3
y = 2x − 3
